$colors:( primary:#dd182b, secondary:#eee, accent:#fff6bb);
@function color($color-name){
    @return map-get($colors,$color-name)
}
body,html{
    height: 100%;
}
body {
    margin: 0;
    #bg {
        clip-path: polygon(100% 0, 100% 38%, 82% 100%, 0 100%, 0 0);
        background-color: color(primary);
        width: 100%;
        height: 100%;
        position: absolute;
        z-index: -1;
    }
}